Basecamp
    Home
    Problems
    Contests
    Courses
    Ranking
    Posts
user539334
Sign in
Yrysbek
user539334
Joined Oct 31, 2024
OverviewPosts
Problems—
Submissions—
Dec
2019
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2020
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2021
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2022
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2023
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2024
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
user539334 left a comment in discussion Almost Prime Numbers (#1302)21 days ago

why 1 to 20 is 4?

we have 4 9

but 16 isnt bc 4 isnt prime